Exabyte EXB-8205 Instruções de Operação descarregar pdf (Página 328)

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26.2 Field Definitions

Byte 01, Bits 2 through 0 - Mode

TheModefielddeterminesthetypeofoperationtobeperformed.The

only operation supported by the CTS is loading and saving the

microcode. The bits in this field must be set to 101b.

Byte 02 - Buffer ID

This field must be 0.

Bytes 03 through 05 - Buffer Offset

The value you specify for the Buffer Offset field depends on whether

you are issuing one WRITE BUFFER command or several WRITE

BUFFER commands, as follows:

If you are using one WRITE BUFFER command, set this field to 0.

If you are using more than one WRITE BUFFER command, set

this field to the total number of bytes sent by the previous WRITE

BUFFER commands in the command sequence.

Bytes 06 through 08 - Parameter List Length

The Parameter List Length field specifies the number of bytes to be

transferred by the current WRITE BUFFER command. The value you

specify for this field depends on whether you are issuing one WRITE

BUFFER command or several WRITE BUFFER commands, as follows:

If you are using only one WRITE BUFFER command, specify

exactly 54E28h (347,688 bytes) for the Parameter List Length.

If you are using more than one WRITE BUFFER command,

specify a multiple of 400h for each Parameter List Length (must

be greater than 0). Be sure to set the WBF bit to 1. Then, for the

last WRITE BUFFER command in the sequence, set the Parameter

List Length to the remaining length (that is, set it to 54E28h minus

the total of the previous Parameter List Lengths). Set the WBF bit

to 0.

Note: The Parameter List Length for the last WRITE BUFFER

command does not need to be a multiple of 400h, but it

must be greater than 0.

//different numbers for 8500//

26-4

EXB-8205 and EXB-8505

(Standard and XL)

510503

26 WRITE BUFFER (3Bh)

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Exabyte EXB-8205 Instruções de Operação Página 328

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